INFINITY Synonyms: 16 Similar and Opposite Words

infinity

noun

in-ˈfi-nə-tē

Definition of infinity

as in perpetuity

endless time it seemed as though that meeting might extend into infinity

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of infinity Two beautiful, very readable new books about astrophysics cover this sensation of wonder, which toggles between identity and infinity. — Literary Hub, 10 Aug. 2026 Be sure to seek out the infinity hot tubs on the side of the Conservatory pool. — Jennifer Kester, Forbes.com, 10 Aug. 2026 Renovated in 2005 at a cost of $8 million, the intimate 17-room hotel displays the trappings of Europe’s grandest hotels, starting with an impressive foyer with a Murano glass chandelier shaped like Constantin Brancusi’s infinity column. — Condé Nast, Condé Nast Traveler, 4 Aug. 2026 Hidden behind high lava rock walls, an infinity saline pool is lined with shaded sun loungers and in-water chaises. — Ben Davidson, Mercury News, 3 Aug. 2026 See All Example Sentences for infinity

Recent Examples of Synonyms for infinity

Noun

Because the Iranians are not going to sit back and let their economy get squeezed in perpetuity.

— Kim Hjelmgaard, USA Today, 27 Aug. 2026
States that rewrote old perpetuities rules made these trusts far more practical.

— Michael Gold CFP, Forbes.com, 4 Aug. 2026

Definition of perpetuity

Noun

Against autonomous attackers operating at machine speed, hours could become an eternity.

— Emil Sayegh, Forbes.com, 30 Aug. 2026
For the traditional Telugu Hindu ceremony, their priest translated Sanskrit to English in real time, and the mandap was designed as a circle to represent how life flows into itself for eternity.

— Nicole Kliest, Vogue, 29 Aug. 2026

Definition of eternity

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infinitesimally

infinity

infirm

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“Infinity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infinity. Accessed 1 Sep. 2026.

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Synonyms of infinity

noun

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